<?php
/*
*@使用方法。
*引入类库。
* $excel = news excelC();
*$excel->fileName = '文件名称';//设置文件名称，默认为时间戳
*$excel->format = '2007';//文件类型，默认为2007，其他为excel5
*$record = array(
	'delKey'=>array('id','addTime','status'),//如果数据$data中有不需要显示的列，可以在此说明。删除不需要导出的键值
	'sort'			=>array(
					'keyName'=>array('subjectName','flag'),//按keyName列排序，如果不存在则不排序。
					//'reorder'=>'DESC',//排序方式，DESC为倒序，ASC为正序。如果keyName存在则排序keyName，如果不存在则按数组的键名排序，如果reorder不存在则不排序
				),//排序   如果sort存在则排序，否则不排序，如果keyName存在则按设置排序，如果不存在则按字符排序，如果reorder不存在或为空或为DES则正序，等于DESC为倒序。
	'excelStyle'	=>array(
						'setName'=>'Arial',//字体样式
						'setSize'=>'12',//字体大小
					),//表格全局样式
	'title'			=>array('tableName'=>'学科列表','center'=>true,'direction'=>'right','merge'=>'2','setSize'=>'30'),//标题,center垂直,direction为合并方向。right,left,up,down。 merge为合并几个单元格，setSize为字体大小
	'data'			=>array(
						array('tableName'=>'科目名称','width'=>'30','setName'=>'宋体','setSize'=>'20','background'=>'red','textColor'=>'white','bold'=>true,'underline'=>true,'borderColor'=>'cyan','center'=>true,),
						array('tableName'=>'学科','width'=>'50','center'=>true),//颜色表是：black,white,red,green,blue,yellow,magenta,cyan
					),//表名称 tableName为名称，width为表格宽度，setName为字体样式，background为背景颜色,textColor为字体颜色，bold为加粗,underline为下划线，borderColor为边框颜色.
	'merge'			=>array(
						//'flag'=>array('keyword'=>'初','direction'=>'right','merge'=>'2'),merge的键值为需要处理数据数组的键值，keyword为如果存在此关键字才执行其他样式操作，如果keyword不存在则执行所有键值为flag的单元格。
						'all'=>array('width'=>'30','setName'=>'宋体','setSize'=>'20','background'=>'red','textColor'=>'white','bold'=>true,'underline'=>true,'borderColor'=>'cyan','center'=>true,),
					),//
);//导出配置


*$excel->export($record,$data);//$record为导出配置，$data为数据库的数据,$data可以为数组，也可以为对象。
*
*
*
*/
$address = dirname(dirname(__FILE__)).'/PHPExcel';
include $address.'/PHPExcel.class.php';
include $address.'/PHPExcel/Writer/Excel2007.php';
include $address.'/PHPExcel/Writer/Excel5.php';
include $address.'/PHPExcel/IOFactory.php';

/****************************
*生成excel文档。
*/

class excelC {
	
	public $format = '2007';//转换格式，默认为2007版本，其他版本，请输入不是2007的数字
	
	public $fileName;//文件名称默认为时间戳。
	
	
	private $objExcel;
	
	private $letters;
	
	public function __construct()
    {
		$this->fileName = time();
		
		$this->fileTitle = '导出数据';
		
		$this->objExcel = new PHPExcel();
		$this->letters = $this->letter();
	}
	
	
	//导出excel的属性
	private function attribute(){
		
		
		$this->objExcel->getProperties()->setCreator("力达行有限公司");//创建人
		
		$this->objExcel->getProperties()->setLastModifiedBy("力达行有限公司");//最后修改人
		
		$this->objExcel->getProperties()->setTitle("导出数据");//标题
		
		$this->objExcel->getProperties()->setSubject("导出数据");//题目
		
		$this->objExcel->getProperties()->setDescription("数据导出");//描述
		
		$this->objExcel->getProperties()->setKeywords("office 导出");//关键字
		
		$this->objExcel->getProperties()->setCategory("excel");//种类
	}
	
	
	
	//设置表(如果只有一个sheet可以忽略该函数，将默认创建。)
	private function sheet(){
		
		$this->objExcel->setActiveSheetIndex(0);//设置当前的表
		
		$this->objExcel->getActiveSheet()->setTitle('excel');//设置表名称。
	}
	
	
	/***************************
	*导出excel
	*@attr $record为表头及样式设置
	*@attr $data为需要导出的数据
	*/
	public function export($record=array(),$data=array()){
		if(!$data)return false;
		if(!is_array($record))return false;//表样式及其他设置
		
		//处理获取到的数据
		$data = $this->maniData($record,$data);
		
		//获取整体样式。
		$this->excelData($record,$data);
		
		
		//$this->objExcel->getActiveSheet()->setCellValue('A1', '季度'); 
		
		$this->down();//导出下载
	}
	
	
	/*
	*处理表格
	*/
	private function excelData(&$record,&$data){
		$this->attribute();//设置属性
		$this->sheet();//设置表
		$this->whole($record);//设置整体样式
		$this->tableHeader($record);//设置表格头。
		$this->tableContent($record,$data);//设置表格
		$this->excelTitle($record,2);//设置标题
	}
	
	/*
	*设置表格整体样式
	*/
	private function whole(&$record){
		if(!array_key_exists('excelStyle',$record))return false;
		
		$excelStyle = $record['excelStyle'];
		
		$default = $this->objExcel->getDefaultStyle();
		
		if(array_key_exists('setName',$excelStyle))
			$default->getFont()->setName($excelStyle['setName']);//设置字体样式
			
		if(array_key_exists('setSize',$excelStyle))
			$default->getFont()->setSize($excelStyle['setSize']);//设置字体大小
	}
	
	/*
	*设置标题
	*/
	private function excelTitle($record,$num){
		$titleL = $this->letters[0];
		if(!array_key_exists('title',$record))return false;
		$this->appOintStyle($titleL ,1,$record['title']);
		
	}
	
	/*
	*设置表格头。
	*/
	private function tableHeader($record){
		if(!array_key_exists('data',$record))return false;
		$objExcel = $this->objExcel;
		$letters = $this->letters;
		
		if(!is_array($record['data']))return false;
		
		$i = 0;
		$hang = 2;
		foreach($record['data'] as $k=>$v){
		
			$this->appOintStyle($letters[$i],$hang,$v);
				
			$i++;
		}
		
	}
	
	private function setCellValue($letter,$data){
	
		if(@$data)
			$this->objExcel->getActiveSheet()->setCellValue($letter, $data);//填充值
		
		return $this;
	}
	
	private function getColumnDimension($letter,$data){
	
		if(@$data)
			$this->objExcel->getActiveSheet()->getColumnDimension($letter)->setWidth($data);//设置宽度 
			
		return $this;
	}
	
	private function setName($letter,$data){
	
		if(@$data)
			$this->objExcel->getActiveSheet()->getStyle($letter)->getFont()->setName($data);//设置字体
			
		return $this;
	}
	
	private function setSize($letter,$data){
	
		if(@$data)
			 $this->objExcel->getActiveSheet()->getStyle($letter)->getFont()->setSize($data);//设置字体大小
			
		return $this;
	}
	
	private function background($letter,$data){
	
		if(@$data){
			$this->objExcel->getActiveSheet()->getStyle($letter)->getFill()->getStartColor()->setARGB($this->backColor($data));
			$this->objExcel->getActiveSheet()->getStyle($letter)->getFill()->setFillType(PHPExcel_Style_Fill::FILL_SOLID);//设置背景色样式，无样式将不显示背景色。
		}
			
		return $this;
	}
	
	private function textColor($letter,$data){
	
		if(@$data){
			$this->objExcel->getActiveSheet()->getStyle($letter)->getFont()->getColor()->setARGB($data);//字体颜色
		}
			
		return $this;
	}
	
	private function setBold($letter,$data){
	
		if(@$data){
			$this->objExcel->getActiveSheet()->getStyle($letter)->getFont()->setBold(true);//加粗
		}
			
		return $this;
	}
	
	private function setUnderline($letter,$data){
	
		if(@$data){
			$this->objExcel->getActiveSheet()->getStyle($letter)->getFont()->setUnderline(PHPExcel_Style_Font::UNDERLINE_SINGLE);//下划线
		}
			
		return $this;
	}
	
	private function border($letter,$data){
	
		if(@$data){
			$styleThinBlackBorderOutline = array(
						   'borders' => array (
								 'outline' => array (
									   'style' => PHPExcel_Style_Border::BORDER_THIN, //设置border样式
									   'color' => array ('argb' => $data),          //设置border颜色
								),
						  ),
					);
			$this->objExcel->getActiveSheet()->getStyle($letter)->applyFromArray($styleThinBlackBorderOutline);
		}
			
		return $this;
	}
	
	/*
	*合并
	*/
	private function mergeCells($letters,$hang,$direction,$merge){
		
		$merge = $merge-1;
		
		if($merge > 0 && $direction){
		
			//print_r($this->letters);
			$l = array_flip($this->letters);
			$ln = $l[$letters];
			
			switch ($direction)
			{
				case 'left':
					$signal = $this->letters[($ln-$merge)].$hang.':'.$letters.$hang;
				break;
				case 'right':
					$signal = $letters.$hang.':'.$this->letters[($ln+$merge)].$hang;
				break;
				case 'up':
					$signal = $letters.($hang-$merge).':'.$letters.$hang;
				break;
				case 'down':
					$signal = $letters.$hang.':'.$letters.($hang+$merge);
				break;
				default:
					$signal = '';
			}
			
			if($signal){
				$this->objExcel->getActiveSheet()->mergeCells($signal);
			}
			
		}
		
		return $this;
	}
	
	/*
	*垂直居中
	*/
	private function setVertical($letter,$data){
		
		if($data){
			$this->objExcel->getActiveSheet()->getStyle($letter)->getAlignment()->setVertical(PHPExcel_Style_Alignment::VERTICAL_CENTER);
			$this->objExcel->getActiveSheet()->getStyle($letter)->getAlignment()->setHorizontal(PHPExcel_Style_Alignment::HORIZONTAL_CENTER);
		}
		return $this;
		
	}
	
	
	
	
	
	
	
	
	
	/*
	*设置颜色
	*/
	private function backColor($color){
		
		$array = array(
			'black'	=> 'FF000000',	//	System Colour #1 - Black
			'white'	=> 'FFFFFFFF',	//	System Colour #2 - White
			'red'	=> 'FFFF0000',	//	System Colour #3 - Red
			'green'	=> 'FF00FF00',	//	System Colour #4 - Green
			'blue'	=> 'FF0000FF',	//	System Colour #5 - Blue
			'yellow'	=> 'FFFFFF00',	//	System Colour #6 - Yellow
			'magenta'	=> 'FFFF00FF',	//	System Colour #7- Magenta
			'cyan'	=> 'FF00FFFF',	//	System Colour #8- Cyan
		);
		if(array_key_exists($color,$array)){
			return $array[$color];
		} else {
			return false;
		}
					
	}
	/*
	*设置表
	*/
	private function tableContent(&$record,&$data){
		$objExcel = $this->objExcel;
		$letters = $this->letters;
		
		if(array_key_exists('merge',$record))
			$merge = $record['merge'];
		else
			$merge = '';
					
		$hang = 2;
		foreach($data as $k=>$v){
			$i=0;
			$hang++;
			
			foreach($v as $kk=>$vv){
				$this->setCellValue($letters[$i].$hang, $vv);//设置内容
				$this->Appoint($kk,$vv,$letters[$i],$hang,$merge);
				$i++;
			}
			
		}
	}
	
	/*
	*设置表指定样式
	*/
	private function Appoint($kk,$vv,$letters,$hang,$merge){
		if(!$merge)return false;
		if(array_key_exists($kk,$merge)){
			$v = $merge[$kk];
			if(array_key_exists('keyword',$v)){
			
				if(strpos($vv,$v['keyword']) > -1){
					$this->appOintStyle($letters,$hang,$v);
				}
				
			} else {
				$this->appOintStyle($letters,$hang,$v);
			}
		} else if(array_key_exists('all',$merge)){
			$v = $merge['all'];
			if(array_key_exists('keyword',$v)){
			
				if(strpos($vv,$v['keyword']) > -1){
					$this->appOintStyle($letters,$hang,$v);
				}
				
			} else {
				$this->appOintStyle($letters,$hang,$v);
			}
		}
	}
	
	/*
	*终极样式
	*/
	private function appOintStyle($letters,$hang,$v){
	
		$this
				->setCellValue($letters.$hang,@$v['tableName'])
				->getColumnDimension($letters,@$v['width'])
				->setName($letters.$hang,@$v['setName'])
				->setSize($letters.$hang,@$v['setSize'])
				->background($letters.$hang,@$v['background'])
				->textColor($letters.$hang,$this->backColor(@$v['textColor']))
				->setBold($letters.$hang,@$v['bold'])
				->setUnderline($letters.$hang,@$v['underline'])
				->border($letters.$hang,$this->backColor(@$v['borderColor']))
				->mergeCells($letters,$hang,@$v['direction'],@$v['merge'])
				->setVertical($letters.$hang,@$v['center']);
	}
	
	/*
	*应为字母列表
	*/
	public function letter(){
		return array('A','B','C','D','F','G','H','I','G','K','L','M','N','O','P','Q','R','S','T','U','V','W','H','Y','Z');
	}
	
	/****************************
	*处理数据，排序及删除字段
	*/
	private function maniData($record,$data){
		if(!$data)return false;
		if(!is_array($record))return false;//表样式及其他设置
	
		$data = $this->objectToArray($data);//对象转数组
		
		$delKey = (array_key_exists('delKey',$record))?$record['delKey']:'';//是否删除关键字
		$sort = (array_key_exists('sort',$record))?$record['sort']:'';//是否排序
		$data = $this->delSort($data,$delKey,$sort);
		return $data;
	}
	
	/****************************
	*对象转数组
	*/
	private function objectToArray($data){
		if(!$data)return false;
		$data = (array)$data;
		
		foreach($data as $k=>$v){
			if(is_object($v) || is_array($v)){
				$data[$k] = (array)$this->objectToArray($v);
			}
		}
		return $data;
	}
	
	/****************************
	*删除键值，并排序
	*/
	private function delSort($data,$delKey='',$sort=''){
	
		if(!$data)return false;
		
		$array = array();
		foreach($data as $k=>$v){
		
			//删除数据中的某个键值
			$delData = $this->delData($v,$delKey);
			//按设定键值排序
			$sortData = $this->sortData($delData,$sort);
			$array[$k] = $sortData;
		}
		
		return $array;
		
	}
	
	/****************************
	*删除键值
	*/
	public function delData($data,&$delKey){
		if($delKey){
			foreach($delKey as $delVal){
				if(array_key_exists($delVal,$data))//判断键值是否存在
					unset($data[$delVal]);//清除键名。
			}
		}
		return $data;
	}
	
	/****************************
	*键值排序
	*/
	public function sortData($data,&$sort){
		$array = array();
		if($sort){
			if(array_key_exists('keyName',$sort)){
				$keyName = $sort['keyName'];
				if(array_key_exists('reorder',$sort)){
					if($sort['reorder'] == 'DESC'){
						krsort($keyName);
					} else if($sort['reorder'] == 'ASC'){
						ksort($keyName);
					}
				}
				foreach($keyName as $vn){
					$array[$vn] = (array_key_exists($vn,$data))?$data[$vn]:'';
				}
			} else {
				if(array_key_exists('reorder',$sort)){
					if($sort['reorder'] == 'DESC'){
						krsort($data);
					} else if($sort['reorder'] == 'ASC'){
						ksort($data);
					}
					$array = $data;
				}
			}
			
		}
		return $array;
	}
	
	
	
	//导出下载
	private function down(){
		
		if($this->format == '2007'):
			header('Content-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet');
			$excel = 'Excel2007';
		else:
			header('Content-Type: application/vnd.ms-excel'); 
			$excel = 'Excel5';
		endif;
		
	 	header("Content-Disposition: attachment; filename=\"$this->fileName\"");
	 	header('Cache-Control: max-age=0');
		
		$objWriter = PHPExcel_IOFactory::createWriter($this->objExcel, $excel);

		$objWriter->save('php://output');
		
	}
}
